GRE word problems sometimes use “real-life settings,” says ETS, to test your quantitative problem solving skills. Talk of salary ranges, fabric purchases, population densities, or similar topics will prompt you to do some algebra or other standard GRE math. Figuring out the math can be tough, given that word problems can be a bit convoluted. […]

## Data Analysis Challenge: Probability at Maximum Difficulty

Data analysis problems make up about one-quarter of GRE Quant, and most of them will bemuse and beguile the majority of test takers. In The Official Guide to the GRE, Practice Test 1 includes a probability question that only 15% of examinees got right when it was on a real exam. Think you can solve […]

## Triangle Geometry Made Easy

Triangles dominate GRE geometry. Make sure you learn the area formula for a triangle (½ base × height) plus facts like “the sum of a triangle’s interior angles is 180°.” But you probably already know about that stuff. Here are some GRE triangle facts you may not know about.

## Spotting Classic Quadratic Forms in GRE Algebra

When it comes to quadratics in GRE algebra, you might think the only equation you should memorize is, well, the quadratic equation: ax2 + bx + c = 0. But an expression like ax2 + bx + c can take many forms, and some come up more often than others on the exam. Call the […]